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# Tix Demostration Program

#

# This sample program is structured in such a way so that it can be

# executed from the Tix demo program "widget": it must have a

# procedure called "RunSample". It should also have the "if" statment

# at the end of this file so that it can be run as a standalone

# program using tixwish.

# This file demonstrates the use of the tixScrolledHList widget.

#

proc RunSample {w} {

    # We create the frame and the ScrolledHList widget

    # at the top of the dialog box

    #

    frame $w.top -relief raised -bd 1

    # Put a simple hierachy into the HList (two levels). Use colors and

    # separator widgets (frames) to make the list look fancy

    #

    tixScrolledHList $w.top.a

    pack $w.top.a -expand yes -fill both -padx 10 -pady 10 -side left

    # This is our little relational database

    #

    set bosses {

        {jeff  "Jeff Waxman"}

        {john  "John Lee"}

        {peter "Peter Kenson"}

    }

    set employees {

        {alex   john    "Alex Kellman"}

        {alan   john    "Alan Adams"}

        {andy   peter   "Andreas Crawford"}

        {doug   jeff    "Douglas Bloom"}

        {jon    peter   "Jon Baraki"}

        {chris  jeff    "Chris Geoffrey"}

        {chuck  jeff    "Chuck McLean"}

    }

    set hlist [$w.top.a subwidget hlist]

    # Let configure the appearance of the HList subwidget 

    #

    $hlist config -separator "." -width 25 -drawbranch 0 -indent 10

    set index 0

    foreach line $bosses {

        if {$index != 0} {

            frame $hlist.sep$index -bd 2 -height 2 -width 150 -relief sunken \

                -bg [$hlist cget -bg]

            $hlist addchild {} -itemtype window \

                -window $hlist.sep$index -state disabled

        }

        $hlist add [lindex $line 0] -itemtype text \

            -text [lindex $line 1]

        incr index

    }

    foreach line $employees {

        # "." is the separator character we chose above

        #

        set entrypath [lindex $line 1].[lindex $line 0]

        #             ^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^

        #             parent entryPath / child's name

        $hlist add $entrypath -text [lindex $line 2]

        # [Hint] Make sure the [lindex $line 1].[lindex $line 0] you choose

        #        are unique names. If you cannot be sure of this (because of

        #        the structure of your database, e.g.) you can use the

        #        "addchild" widget command instead:

        #

        #  $hlist addchild [lindex $line 1] -text [lindex $line 2]

        #                  ^^^^^^^^^^^^^^^^

        #                  parent entryPath 

    }

    # Use a ButtonBox to hold the buttons.

    #

    tixButtonBox $w.box -orientation horizontal

    $w.box add ok     -text Ok     -underline 0 -command "destroy $w" \

        -width 6

    $w.box add cancel -text Cancel -underline 0 -command "destroy $w" \

        -width 6

    pack $w.box -side bottom -fill x

    pack $w.top -side top -fill both -expand yes

}

# This "if" statement makes it possible to run this script file inside or

# outside of the main demo program "widget".

#

if {![info exists tix_demo_running]} {

    wm withdraw .

    set w .demo

    toplevel $w

    RunSample $w

    bind .demo <Destroy> exit

}